利用糠醛废水制备醋酸钙镁融雪剂的工艺及产品性能研究

Study on Preparation and Performance of Calcium Magnesium Acetate Deicer from Furfural Wastewater

利用糠醛废水中醋酸含量较高的特点,设计了能够在处理糠醛废水的同时回收利用醋酸,生产环保型融雪剂醋酸钙镁(CMA)的工艺条件。并利用该工艺建立了日产5吨CMA的生产线,对所生产的CMA产品的品质和性能进行了评价。研究结果表明:所设计的工艺路线可以用于实际生产,能够回收利用糠醛废水中的水和醋酸,基本实现零排放。所生产的CMA有效成分含量较高,环境影响很小,融雪能力较好,可用于冬季路面的融雪。

Calclum magnesium acetate （CMA） , which is an environment friendly deicer, was prepared from furfural wastewater of a high acetic acid content. Based on the laboratory study, a production line of the daily output of 5t CMA was established. The quality and performance of the CMA were also evaluated. The results indicate that the designed preparation process can be applied to actual production ; acetic acid and water from furfural wastewater basically attain to zero discharge due to be recycled. The content of effective components in the CMA is much higher and it had an environment-friendly quality. The CMA also has a good performance in inching snow. In conclusion ,it can be used to remove the snow from roads in winter.